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cognitive radio networks

Improvement of a fully distributed cooperative spectrum sensing protocol for cognitive radio networks

Improvement of a fully distributed cooperative spectrum sensing protocol for cognitive radio networks

... Cognitive Radio Networks require optimal protocols due to their particular conditions such as reduced bandwidth and transmission time. An important part of the CRN are the spectrum sensing mechanisms ...

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Fully Distributed Cooperative Spectrum Sensing for Cognitive Radio Networks

Fully Distributed Cooperative Spectrum Sensing for Cognitive Radio Networks

... Abstract—Cognitive radio networks (CRN) sense spectrum occupancy and manage themselves to operate in unused bands without disturbing licensed ...a radio system can be enhanced if the sensing ...

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A Secure and Anonymous Cooperative Sensing Protocol for Cognitive Radio Networks

A Secure and Anonymous Cooperative Sensing Protocol for Cognitive Radio Networks

... Cognitive radio networks are self-organized systems in which de- vices cooperate to use those spectrum ranges that are not occupied by licensed ...

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Expected time to rendezvous in multi hop cognitive radio networks

Expected time to rendezvous in multi hop cognitive radio networks

... Abstract —The design of blind rendezvous strategies for dy- namic spectrum access in multi-users, multi-hop networks is a challenging task. In this paper, a two radios synchronization strategy that minimizes the ...

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Performance analysis of a cognitive radio contention aware channel selection algorithm

Performance analysis of a cognitive radio contention aware channel selection algorithm

... efficient radio resource management (RRM) techniques for wireless commu- nication networks, green cognitive radio networks and security ...

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Experimental assessment of a cognitive mechanism to reduce the impact of outdated TEDs in optical networks

Experimental assessment of a cognitive mechanism to reduce the impact of outdated TEDs in optical networks

... Thus, in [9], we proposed a simple yet effective cognitive technique to minimize impact on blocking probability of the TED inaccuracy problem in PCE-based networks. The mechanism, called elapsed times ...

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Analysis of Radio communication solutions in small and isolated communities under the IEEE 802.22 standard

Analysis of Radio communication solutions in small and isolated communities under the IEEE 802.22 standard

... Private Networks [1], different tech- nologies providing links to small and isolated communities have been analyzed and ...via radio waves at a 30 to 70 km distance between antennas and at frequencies not ...

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Computing resource management in software-defined and cognitive radios

Computing resource management in software-defined and cognitive radios

... [25], networks on a chip (NoCs) [26], or multiprocessor systems on a chip (MP- SoCs) [27] is becoming more important than the energy efficiency of application-specific integrated cir- cuits (ASICs) [28], [29], ...

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Television Activity Detection: A Statistical-Based Opportunistic Spectrum Use Approach-Edición Única

Television Activity Detection: A Statistical-Based Opportunistic Spectrum Use Approach-Edición Única

... of radio communication devices will have to be capable of actively sensing the environment to know what type of activity is taking place on the location it needs to ...

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Modelo Neuro Difuso para la Predicción de la Ocupación Espectral

Modelo Neuro Difuso para la Predicción de la Ocupación Espectral

... Over the last years, the radio-electric spectrum has been much subdivided to give opportunity to different types of wireless services. As a collateral effect, the spectrum has become scarcer [4]. In contrast, ...

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2013 ardila development of metacognitive and emotional executive function in children1

2013 ardila development of metacognitive and emotional executive function in children1

... functional-anatomical networks within the prefrontal cortex: one associated with cognitive control and the other associated with value based decision making—each related to specific frontal-lobe ...

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Las técnicas Cognitive Radio y Software Defined Radio en las comunicaciones rurales: la recomendación IEEE 802.22

Las técnicas Cognitive Radio y Software Defined Radio en las comunicaciones rurales: la recomendación IEEE 802.22

... Area Networks (WRAN)/Specific requirements - Part 22: Cognitive Wireless RAN Medi- um Access Control (MAC) and Physical Layer (PHY) Specifications: Policies and Procedures for Operation in the TV ...

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A cognitive radio based method for improving availability in body sensor networks

A cognitive radio based method for improving availability in body sensor networks

... sensor networks (BSNs) is Denial of Service attacks that disrupt communications used to transmit patients’ health ...of cognitive radio (CR) technology into BSNs can mitigate such a threat and ...

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